Cross sections and rate coefficients of transitions in He and He-like ions induced by collisions with heavy particles
✍ Scribed by I. L. Beĭgman; D. V. Borodin; L. A. Vaĭnshteĭn
- Book ID
- 110135891
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2003
- Tongue
- English
- Weight
- 168 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0030-400X
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We present collision strengths and rate coefficients for electron-impact excitation of He-like ions (S 14+ , Ar 16+ , Ca 18+ ) using the Dirac Atomic R-matrix Code, which has been developed by Norrington and Grant [J. Phys. B: At. Mol. Opt. Phys. 20 (1987) 4869]. The lowest 45 target levels are incl
Integral and differential cross-sections for elastic collisions of He + ions in the ground state ( 2 S) with neutral He atoms are calculated, for centre-of-mass energies between 0.001 and 10 eV, using the partial waves method. The scattering phase shifts are calculated using the JWKB semi-classical